Saving recognition results as a file
To save recognition results to a file or write them to the memory stream, use save
method of RecognitionResult
object.
The following file formats are supported:
Format | Description |
---|---|
Format.Text |
Plain text with line breaks. |
Format.Pdf |
Portable Document Format. The original images are placed in the background; the recognized text is placed as an invisible but searchable and selectable overlay on top of the images. |
Format.PdfNoImg |
Portable Document Format containing only text. The original images are not saved along with the recognition results. |
Format.Docx |
Microsoft Word document (version 2007 or later). |
Format.Xlsx |
Microsoft Excel spreadsheet (version 2007 or later). |
Format.Json |
JSON is a popular format widely used in software development and data exchange. The de facto standard for websites and REST APIs. |
Format.Xml |
Extensible Markup Language (XML), a universal data exchange and storage format for most systems. |
Format.Html |
HTML web page. |
Format.Epub |
ePub, a popular e-book file format. |
Format.Rtf |
RTF, a universal format for exchanging text documents between different word processing programs. |
You can optionally enable automatic spelling corrections for recognition results, provide a custom dictionary, or specify the font to be embedded into a PDF document. The latter is only applicable when saving recognition results into text-only PDF (Format.PdfNoImg
).
AsposeOCR api = new AsposeOCR();
// Add an image to OcrInput object
OcrInput input = new OcrInput(InputType.SingleImage);
input.Add("source.png");
// Recognize image
ArrayList<RecognitionResult> results = api.Recognize(input);
// Save result
results[0].Save("result.txt", Format.Text);
Saving recognition results as a multi-page document
You can merge several recognition results into one document using SaveMultipageDocument
method of AsposeOcr
class. This can be useful for recognizing books, contracts, articles, and other printouts consisting of multiple pages, as well as for batch recognition.
You can optionally enable automatic spelling corrections for recognition results and provide a custom dictionary.
AsposeOCR api = new AsposeOCR();
// Add an image to OcrInput object
OcrInput input = new OcrInput(InputType.SingleImage);
input.Add("page1.png");
input.Add("page2.png");
// Recognize image
ArrayList<RecognitionResult> results = api.Recognize(input);
// Save all pages to Microsoft Word document
AsposeOcr.SaveMultipageDocument("result.docx", Format.Docx, results);